Theory and design methods of special space orbits অনুযায়ী Zhang, Yasheng, Xu, Yanli, Zhou, Haijun

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Orbital data applications for space objects conjunction assessment and situation analysis অনুযায়ী Chen, Lei, Bai, Xian-Zong, Liang, Yan-Gang, Li, Ke-Bo

Available for University of the Philippines Diliman via SpringerLink. Click here to access
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The transits of extrasolar planets with moons অনুযায়ী Kipping, David M.

Available for University of the Philippines Diliman via SpringerLink. Click here to access

Orbit ng earth, babaguhin ng NASA vs global warning অনুযায়ী Eugenio, Adlwin Eugene

Satellite orbits models, methods, and applications অনুযায়ী Montenbruck, Oliver 1961-

Images of orbits and orbits of images in symmetry groups অনুযায়ী Walo, Ma. Lailani Baraya